CN216790311U - Fume exhaust fan - Google Patents

Abstract

The utility model relates to the technical field of kitchen appliances, and particularly discloses a range hood which comprises a main body assembly, a smoke baffle plate and a driving assembly, wherein the main body assembly is provided with a smoke inlet, the smoke baffle plate is connected to the main body assembly, the driving assembly is arranged on the main body assembly and is used for driving the smoke baffle plate to move between a working position for opening the smoke inlet and a closed position for closing the smoke inlet, the range hood also comprises an air curtain plate and an air pump, the air curtain plate is arranged on one side, facing the smoke inlet, of the smoke baffle plate, an air flow channel, an air outlet and an air distribution hole are formed in the air curtain plate and are communicated with the air flow channel, the air distribution hole is communicated with the output end of the air pump, and the air outlet is formed in the side, away from the smoke baffle plate, of the air curtain plate. When keeping off the cigarette board and being located operating position, the oil smoke rises and rises the process and meet blockking of air film, has reduced the chance that contacts and keep off the cigarette board to get into the cigarette hole under main part subassembly's negative pressure effect, make the surface energy of wind curtain board keep better clean state, avoid the greasy dirt gathering to drip down, promoted user experience.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a range hood.

Background

The air inlet of the side-draft range hood is closer to the source of the oil smoke, the generated oil smoke can be locked at the first time, the ascending distance of the oil smoke can be effectively shortened, and the smoke exhaust effect is natural and more ideal.

The existing side-draft range hood is generally provided with a smoke baffle plate for collecting smoke, and the smoke baffle plate is opened when the range hood is opened to form a certain angle with a panel, so that the smoke can be prevented from rising upwards, and the smoke suction effect is improved; when the range hood is closed, the smoke baffle is closed, so that the smoke baffle and the panel form the same plane, and the range hood is attractive and simple and is popular with users.

But when keeping off the cigarette board and opening, can with the long-time direct contact of oil smoke, the greasy dirt condenses oil droplet at keeping off the cigarette board, after oil droplet condenses to certain degree, because the effect of gravity will be down dripped, makes the user produce the puzzlement, causes bad use to experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a range hood to solve the problem that oil smoke contacts with a smoke baffle in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a range hood which comprises a main body assembly, a smoke baffle plate and a driving assembly, wherein the main body assembly is provided with a smoke inlet, the smoke baffle plate is connected to the main body assembly, the driving assembly is arranged on the main body assembly and used for driving the smoke baffle plate to move between a working position for opening the smoke inlet and a closing position for closing the smoke inlet, the range hood further comprises an air curtain plate and an air pump, the air curtain plate is arranged on one side, facing the smoke inlet, of the smoke baffle plate, an air outlet and an air distribution hole are formed in the air curtain plate and communicated with the air flow channel, the air distribution hole is communicated with an output end of the air pump, and the air outlet is formed in the side surface, away from the smoke baffle plate, of the air curtain plate.

Optionally, the driving assembly includes a driving member and a turning assembly connected to an output end of the driving member, the driving member is fixed to the main body assembly, the output end of the turning assembly is connected to the smoke barrier, and the driving member and the turning assembly cooperate to drive the smoke barrier to move between the working position and the closed position; an air passage is arranged in the overturning assembly, and the air distribution hole is communicated with the output end of the air pump through the air passage.

Optionally, the turnover assembly includes a swing arm, a first connecting rod and a first oil blocking bracket, one end of the first oil blocking bracket is connected to the smoke blocking plate, the other end of the first oil blocking bracket is hinged to the main body assembly, one end of the first connecting rod is hinged to the first oil blocking bracket, the driving member is fixed to the main body assembly, one end of the swing arm is fixedly connected to the output end of the driving member, and the other end of the swing arm is hinged to the other end of the first connecting rod; and/or

The overturning assembly further comprises a second oil retaining support, one end of the second oil retaining support is connected to the smoke baffle, and the other end of the second oil retaining support is hinged to the main body assembly; the air passage is arranged inside the first oil retaining bracket or the second oil retaining bracket.

Optionally, the airflow channel is provided with a plurality of airflow channels, and each airflow channel is communicated with one air distribution hole and a plurality of air outlets.

Optionally, the range hood further comprises a connecting seat, the connecting seat is fixed to the main body assembly, and the air pump is fixed to the connecting seat.

Optionally, the casing of the main body assembly is provided with a baffle fixing frame, and the connecting seat is fixed to the baffle fixing frame.

Optionally, when the smoke barrier is located at the working position, the extending direction of the air outlet faces the smoke inlet.

Optionally, the range hood further comprises an air inlet hood, and the air inlet hood is arranged on the main body assembly and used for filtering air entering the air pump.

Optionally, the casing of the main body assembly is provided with an air inlet hole, and the air inlet cover is installed inside the casing and covers the air inlet hole.

Optionally, the cross section of the air inlet cover is circular, a plurality of air inlet holes are formed in the air inlet cover, and the diameter size of a circumscribed circle of the outer edges of the plurality of air inlet holes is smaller than that of an inscribed circle of the air inlet cover.

The utility model has the beneficial effects that:

the utility model provides a range hood, wherein an air curtain plate is arranged in the range hood, an air film can be formed on one side of the air curtain plate, which is far away from a smoke baffle plate, when the smoke baffle plate is positioned at a working position, the oil smoke can meet the air film before contacting the smoke baffle plate in the rising process, under the blocking of the air film, the oil smoke reduces the chance of contacting the smoke baffle plate, and the oil smoke blocked by the air film enters a smoke inlet under the negative pressure action of a main body assembly of the range hood, so that the surface of the air curtain plate can keep a better cleaning state, oil stains are prevented from being accumulated and dripping, and the user experience is improved.

Drawings

Fig. 1 is a schematic structural diagram of a first viewing angle of a range hood according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second viewing angle of the range hood according to the embodiment of the present invention;

FIG. 3 is a schematic view of a smoke barrier and air curtain assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of the range hood from a first viewing angle according to the embodiment of the present invention;

fig. 5 is a schematic view of the internal structure of the range hood from a second viewing angle in the embodiment of the present invention;

FIG. 6 is a schematic diagram of the third view angle of the range hood according to the embodiment of the present invention, wherein the smoke barrier is located at the working position;

fig. 7 is a schematic view of the third view of the range hood according to the embodiment of the present invention, wherein the smoke barrier is located at the closed position;

FIG. 8 is a schematic view showing an internal structure of a deoiling plate and an air curtain plate according to an embodiment of the present invention;

fig. 9 is a schematic view of the internal structure of the range hood from the fourth viewing angle in the embodiment of the present invention;

FIG. 10 is an exploded view of the second oil retaining bracket and the air curtain plate according to the embodiment of the present invention;

FIG. 11 is a schematic view, partly in section, of an air curtain plate in an embodiment of the utility model;

fig. 12 is a schematic view of the operating state of the range hood according to the embodiment of the present invention.

In the figure:

1. a body assembly; 11. an air inlet; 12. a motor fixing frame; 13. a baffle fixing frame;

2. a smoke baffle;

3. an oil removal assembly; 31. an oil removing plate; 311. a slider; 312. chamfering; 32. a cleaning member;

4. a drive assembly; 41. a drive member; 42. swinging arms; 43. a first link; 44. a first oil blocking bracket;

5. a second link;

6. an air curtain assembly; 61. an air curtain plate; 611. an air flow channel; 612. an air outlet; 613. air distributing holes; 614. a chute; 62. an air pump; 621. a connecting seat; 63. a second oil retaining bracket; 631. a conduit inlet; 632. a pipeline outlet; 64. an air intake line; 65. an air outlet pipeline; 66. an air intake hood;

7. filtering with a screen; 71. a fixed seat;

8. an oil cup.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1-12, the present embodiment provides a range hood, the range hood includes a main body assembly 1, a smoke baffle 2 and a driving assembly 4, the main body assembly 1 is provided with a smoke inlet, the smoke baffle 2 is connected to the main body assembly 1, the driving assembly 4 is disposed on the main body assembly 1, and is configured to drive the smoke baffle 2 to move between a working position of opening the smoke inlet and a closing position of closing the smoke inlet, the range hood further includes an air curtain plate 61 and an air pump 62, the air curtain plate 61 is disposed on one side of the smoke baffle 2 facing the smoke inlet, an air outlet 612 and an air dividing hole 613 are disposed inside the air curtain plate 61 and are communicated with the air channel 611, the air dividing hole 613 is communicated with an output end of the air pump 62, and the air outlet 612 is disposed on a side of the air curtain plate 61 away from the smoke baffle 2.

In this embodiment, the setting of air curtain board 61, can keep away from one side formation air film that keeps off cigarette board 2 at air curtain board 61, keep off cigarette board 2 when being located operating position, the oil smoke rises and rises the process and can meet the air film earlier before contacting fender cigarette board 2, under the blockking of air film, the oil smoke has reduced the chance that contacts fender cigarette board 2, the oil smoke that is blockked by the air film gets into the smoke inlet under the negative pressure effect of range hood's main part subassembly 1, thereby make air curtain board 61's surface energy keep better clean state, avoid the greasy dirt gathering to drip down, user experience has been promoted.

Specifically, the driving assembly 4 includes a driving element 41 and a turning assembly connected to an output end of the driving element 41, the driving element 41 is fixed to the main body assembly 1, the output end of the turning assembly is connected to the smoke barrier 2, and the driving element 41 and the turning assembly are matched to drive the smoke barrier 2 to move between the working position and the closed position; an air passage is arranged in the overturning assembly, and the air distribution hole 613 is communicated with the output end of the air pump 62 through the air passage. The air flue sets up in the upset subassembly, can realize the function increase of upset subassembly, can accomplish the removal that keeps off cigarette board 2, can realize gaseous transmission again, reduces material cost.

Further, the range hood further comprises an oil removing component 3 and a second connecting rod 5, wherein the oil removing component 3 is slidably arranged on the air curtain plate 61. One end of the second connecting rod 5 is hinged to the main body component 1, the other end of the second connecting rod is hinged to the oil removing component 3, and the oil removing component 3 moves to remove oil on the air curtain plate 61 in the moving process of the smoke baffle 2 from the working position to the closing position.

In this embodiment, above-mentioned setting is at the fender cigarette board 2 removal in-process, and the fender cigarette board 2 can slide on air curtain board 61 through the drive deoiling subassembly 3 of second connecting rod 5, and then cleans the oil droplet on the air curtain board 61, has improved user experience, and only is equipped with drive assembly 4 in this embodiment and drives fender cigarette board 2, has reduced deoiling subassembly 3's power spare, and practices thrift the cost.

Besides, because the linkage setting of second connecting rod 5 and smoke baffle 2 for smoke baffle 2 switching at every turn all can drive the motion of deoiling subassembly 3 through second connecting rod 5, in order to clear up the greasy dirt, has improved automatic deoiling frequency, has reduced the clear frequency of user, and the automatic clearance action of high frequency can avoid the greasy dirt to remove the condition of oil subassembly 3 and air curtain board 61 adhesion.

Regarding the specific structure of the driving assembly 4, in this embodiment, optionally, the turning assembly includes a swing arm 42, a first connecting rod 43 and a first oil blocking bracket 44, one end of the first oil blocking bracket 44 is connected to the smoke blocking plate 2, and the other end is hinged to the main assembly 1, one end of the first connecting rod 43 is hinged to the first oil blocking bracket 44, the driving member 41 is fixed to the main assembly 1, one end of the swing arm 42 is fixed to the output end of the driving member 41, and the other end is hinged to the other end of the first connecting rod 43. The driving member 41 may be a stepping motor. Through the arrangement, the swing arm 42 is driven to rotate by the stepping motor, the first connecting rod 43 is pulled to move, the first oil blocking support 44 is pulled by the first connecting rod 43 to rotate, the movement of the smoke blocking plate 2 between the working position and the closing position is achieved, the occupied space is small, and the cost is saved. In this embodiment, the motor fixing frame 12 is fixed to the main body assembly 1, the stepping motor is fixed to the motor fixing frame 12, and the other end of the first oil blocking bracket 44 is hinged to the motor fixing frame 12. The firmness of the connection of the main body assembly 1 and the stepping motor and the first oil blocking support 44 can be improved by the arrangement of the motor fixing frame 12.

Of course, in other embodiments, the driving assembly 4 may also be an electric push rod, the electric push rod is fixed to the motor fixing frame 12, and the output end is hinged to the smoke baffle 2. In view of cost and installation space, the embodiment preferably adopts a scheme that the smoke barrier 2 is driven by a stepping motor.

Referring to fig. 8, in order to clean oil stains, in the present embodiment, the oil removing assembly 3 includes an oil removing plate 31 and a cleaning member 32, the oil removing plate 31 is slidably disposed on the air curtain plate 61, and the cleaning member 32 is connected to a side of the oil removing plate 31 close to the air curtain plate 61. The cleaning element 32 may be a sponge or an oil-removing strip, wherein the oil-removing strip is similar to a strip of an automotive wiper. The arrangement can drive the cleaning piece 32 to slide on the air curtain plate 61 in the process that the oil removing plate 31 slides on the air curtain plate 61, and further can better finish the cleaning work of oil stains on the air curtain plate 61.

The cleaning member 32 is subject to a large friction force during sliding relative to the air curtain plate 61, and is separated from the air curtain plate 61. In order to prevent the cleaning member 32 from being separated from the oil removing plate 31, in the present embodiment, further, the oil removing plate 31 is provided with a mounting groove, and the cleaning member 32 is partially located in the mounting groove. Alternatively, the cleaning members 32 may be threaded or glued into the mounting slots. Of course, in other embodiments, cleaning elements 32 may be inserted into the mounting slots. Specifically, one side of the cleaning piece 32 is provided with a trapezoidal guide rail, the mounting groove is a dovetail groove, and the trapezoidal guide rail of the cleaning piece 32 can be inserted into the dovetail groove, wherein the insertion direction is perpendicular to the sliding direction of the oil removing plate 31. This arrangement improves the efficiency of installation of the cleaning members 32.

Furthermore, two chamfers 312 are respectively arranged at two ends of the oil removing plate 31 in the sliding direction on the air curtain plate 61, and the chamfers 312 are located at the edges of the oil removing plate 31 far away from the air curtain plate 61. The setting of chamfer 312 makes the deoiling board 31 form the structure of two shovel forms, can carry out the shovel to stubborn greasy dirt on the air curtain board 61, has improved the deoiling effect.

Referring to fig. 8 and 10, preferably, in the present embodiment, the air curtain plate 61 is provided with a sliding groove 614 at each of the left and right ends, the oil removing plate 31 is provided with a sliding block 311 at each of the left and right ends, and the two sliding blocks 311 are slidably disposed in the two sliding grooves 614 respectively, so as to ensure that the oil removing plate 31 can slide close to the air curtain plate 61. The other end of the second link 5 is rotatably connected to the slider 311. Of course, in other embodiments of the present embodiment, the sliding function of the oil removing plate 31 can also be realized by the way of the cooperation of the sliding rail and the roller. Specifically, the oil removing plate 31 is provided with a roller, and the air curtain plate 61 is provided with a slide rail on which the roller can slide.

Combine above-mentioned structure, carry out brief description to the deoiling process, keep off the in-process that cigarette board 2 opened or closed into the cigarette hole at every turn, deoiling board 31 all can slide relative wind curtain board 61, and then can drive cleaner 32 and clear up the greasy dirt on the wind curtain board 61, has avoided the greasy dirt to lead to condensing into oil droplet for a long time not clear up. In addition, because the chamfers 312 are arranged at the two ends of the oil removing plate 31, stubborn oil stains on the air curtain plate 61 can be removed, and the oil stain cleaning effect is improved.

Regarding the structure of the airflow channel 611, in the present embodiment, specifically, the airflow channel 611 extends along the left-right direction, the airflow channel 611 is provided in plural, the airflow channels 611 are arranged at intervals along the direction perpendicular to the direction in which the airflow channel 611 extends, each airflow channel 611 is communicated with plural air outlets 612, and the arrangement enables the air outlets 612 to be uniformly distributed on the air curtain plate 61, so as to form a relatively uniform air film. In this embodiment, the first oil blocking bracket 44 may be fixed at the left edge of the air curtain plate 61. Wherein, the left-right direction is from the left hand direction to the right hand direction when the worker stands in front of the range hood.

Of course, in other embodiments, one air flow channel 611 may be provided, and one air flow channel 611 is arranged in a serpentine shape to cover the whole air curtain plate 61 as much as possible. The air flow channels 611 arranged in a serpentine shape can fully cover the whole air curtain plate 61, and simultaneously can ensure that the air output difference of each air outlet 612 is small as much as possible.

In this embodiment, the setting of chamfer 312 on deoiling board 31 can be eradicated the stubborn greasy dirt on the air curtain board 61, avoids air outlet 612 to block up.

In this embodiment, preferably, the air curtain plate 61 is provided with air distribution holes 613 communicated with the air flow channels 611, each air flow channel 611 corresponds to one air distribution hole 613, the air distribution holes 613 are used as air inlets of the air flow channels 611, the turnover assembly further includes a second oil retaining bracket 63, one end of the second oil retaining bracket 63 is fixedly connected to the air curtain plate 61, the other end of the second oil retaining bracket is hinged to the baffle fixing bracket 13 fixed on the main assembly 1, an air passage is arranged inside the second oil retaining bracket 63, a pipeline inlet 631 and a pipeline outlet 632 communicated with the air passage are arranged on the surface of the second oil retaining bracket 63, the pipeline inlet 631 is communicated with the output end of the air pump 62 through the air outlet pipeline 65, the plurality of pipeline outlets 632 are communicated with the plurality of air distribution holes 613 in a one-to-one correspondence manner, and the air distribution holes 613 are communicated with the air outlets 612 through the air flow channels 611. In this embodiment, the second oil retaining bracket 63 can be used as a rotating bracket of the smoke baffle 2, and the second oil retaining bracket 63 and the first oil retaining bracket 44 work together to improve the rotating stability of the smoke baffle 2; on the other hand, the air pump can be used as a connecting pipeline for communicating the air pump 62 with the air curtain plate 61 to provide air for the air curtain plate 61, so that redundant pipeline structures are saved, and the cost is saved.

Alternatively, the air pump 62 is fixed to the baffle fixing frame 13 through a connecting seat 621. In this embodiment, the baffle fixing frame 13 can improve the firmness of the connection between the second oil retaining bracket 63 and the main assembly 1 and between the air pump 62 and the main assembly 1, and can allow the thickness of the shell of the main assembly 1 to be thinner. The arrangement of the connecting seat 621 avoids the arrangement of a connecting hole and other structures on the air pump 62, and simplifies the structure of the air pump 62.

In the present embodiment, as shown in fig. 12, preferably, when the smoke barrier 2 is located at the working position, the extending direction of the air outlet 612 faces the smoke inlet. The setting of above-mentioned structure when preventing oil smoke contact air curtain board 61, can also get into the smoke hole with the oil smoke guide, has improved range hood's smoking effect to avoid keeping off the gathering and the drippage that oil drips on the cigarette board 2, promoted user experience.

Optionally, the range hood further comprises an air inlet hood 66, and the air inlet hood 66 is disposed on the main body assembly 1 and is used for filtering air entering the air pump 62. Above-mentioned setting can improve gaseous cleanliness, avoids having impurity from the gas of air outlet 612 spun, builds comparatively clear culinary art environment. Further, the air pump 62 and the intake cover 66 are communicated with each other through an intake pipe 64; the casing of the main body component 1 is provided with an air inlet hole 11, and the air inlet cover 66 is covered on the air inlet hole 11 in the casing. The placement of the inlet hood 66 within the housing protects the inlet hood 66 and also contributes to the improved aesthetics of the body assembly 1.

Optionally, the cross section of the air intake cover 66 is circular, the air intake holes 11 are provided in plurality, and the diameter size of a circumscribed circle of the outer edges of the plurality of air intake holes 11 is smaller than the diameter size of an inscribed circle of the air intake cover 66. The arrangement can play a role in filtering large particles, and the cooperation of the plurality of air inlet holes 11 and the air inlet cover 66 can further improve the cleanliness of the gas flowing out of the air outlet 612.

In this embodiment, optionally, the range hood further includes a filter screen 7 and an oil cup 8, the filter screen 7 is disposed at the smoke inlet of the main body assembly 1 and is used for filtering oil smoke entering the smoke inlet, and the oil cup 8 is disposed at the lower end of the main body assembly 1 and is used for collecting oil stains filtered from the oil smoke. Optionally, be provided with fixing base 71 on the filter screen 7, the one end of second connecting rod 5 articulates in fixing base 71, and this setting can adapt to the relative position relation of deoiling board 31 and fender cigarette board 2, simplifies the structure of second connecting rod 5, and the design and the production of being convenient for, and reduce cost.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A range hood comprises a main body component (1), a smoke baffle plate (2) and a driving component (4), wherein the main body component (1) is provided with a smoke inlet hole, the smoke baffle plate (2) is connected with the main body component (1), the driving component (4) is arranged on the main body component (1) and is used for driving the smoke baffle plate (2) to move between a working position for opening the smoke inlet hole and a closing position for closing the smoke inlet hole, the range hood is characterized in that the range hood further comprises an air curtain plate (61) and an air pump (62), the air curtain plate (61) is arranged on one side, facing the smoke inlet hole, of the smoke baffle plate (2), an air flow channel (611) and an air outlet (612) and an air distribution hole (613) which are communicated with the air flow channel (611) are arranged inside the air curtain plate (61), and the air distribution hole (613) is communicated with an output end of the air pump (62), the air outlet (612) is formed in the side face, deviating from the smoke baffle (2), of the air curtain plate (61).

2. The range hood according to claim 1, wherein the driving assembly (4) comprises a driving member (41) and a turning assembly connected to an output end of the driving member (41), the driving member (41) is fixed to the main body assembly (1), the output end of the turning assembly is connected to the smoke baffle (2), and the driving member (41) and the turning assembly cooperate to drive the smoke baffle (2) to move between the working position and the closed position; an air passage is arranged in the overturning assembly, and the air distribution hole (613) is communicated with the output end of the air pump (62) through the air passage.

3. The range hood according to claim 2, wherein the tilting assembly comprises a swing arm (42), a first connecting rod (43) and a first oil blocking bracket (44), one end of the first oil blocking bracket (44) is connected to the smoke blocking plate (2), the other end of the first oil blocking bracket is hinged to the main assembly (1), one end of the first connecting rod (43) is hinged to the first oil blocking bracket (44), the driving member (41) is fixed to the main assembly (1), one end of the swing arm (42) is fixedly connected to the output end of the driving member (41), and the other end of the swing arm is hinged to the other end of the first connecting rod (43); and/or

The overturning assembly further comprises a second oil retaining support (63), one end of the second oil retaining support (63) is connected to the smoke baffle (2), and the other end of the second oil retaining support is hinged to the main body assembly (1); the air passage is arranged inside the first oil retaining bracket (44) or the second oil retaining bracket (63).

4. The range hood according to claim 1, wherein a plurality of air flow channels (611) are provided, and each air flow channel (611) is communicated with one air distribution hole (613) and a plurality of air outlets (612).

5. The range hood according to claim 1, further comprising a connection base (621), wherein the connection base (621) is fixed to the main body assembly (1), and the air pump (62) is fixed to the connection base (621).

6. The range hood according to claim 5, wherein the housing of the main body assembly (1) is provided with a baffle fixing frame (13), and the connecting base (621) is fixed to the baffle fixing frame (13).

7. The range hood according to claim 1, wherein when the smoke barrier (2) is in the working position, the extending direction of the air outlet (612) faces the smoke inlet.

8. The range hood according to any one of claims 1-7, further comprising an air intake hood (66), wherein the air intake hood (66) is disposed on the main body assembly (1) and is used for filtering air entering the air pump (62).

9. The range hood according to claim 8, wherein the housing of the main body assembly (1) is provided with an air inlet hole (11), and the air inlet cover (66) is installed inside the housing and covers the air inlet hole (11).

10. The range hood according to claim 9, wherein the cross section of the air intake hood (66) is circular, the air intake holes (11) are provided in plurality, and the diameter size of a circumscribed circle of the outer edges of the plurality of air intake holes (11) is smaller than the diameter size of an inscribed circle of the air intake hood (66).

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